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Saint Étienne's cathedral'', including parts of the first Romanesque cathedral built in the 12th century. Nevertheless, it was mainly rebuilt in Gothic style. The west façade (in Baroque style) and two close spans were added in the 17th century. •
Notre-Dame-en-Vaux church, part of the UNESCO World Heritage. Built between 1157 and 1217, the collegiate church had a cloister and was a place of pilgrimage in the 12th century, and
Museum du Cloître de Notre-Dame-en-Vaux 12th century. •
Saint-Alpin, possibly the oldest church of the city. It was rebuilt around 1170 in a Gothic style, but still marked by the Romanesque style. •
Hôtel de Ville (city hall): It has a façade representative of the neo-classic period of the end of the 18th century. The steps of the building are protected by four stone lions. •
Porte Sainte-Croix (Sainte-Croix Gate), previously called Porte Dauphine, this gate was one of the entries into the city. It was dedicated to
Marie Antoinette when she came via Châlons on her way to Paris to marry the future king
Louis XVI. •
La Dernière Relève ("The Last Relief"), a war memorial next to the cathedral, with group of bronzes by French sculptor
Gaston Broquet. •
Ancien Hotel des Intendants de Champagne (eighteenth century), today home to the Prefecture of the Champagne-Ardenne region and Prefecture of the Marne. •
Le Cirque, the old town circus, completed in 1899, is sheltering the Centre National des Arts du Cirque (CNAC). File:Hôtel de ville de Châlons-en-Champagne (Marne).JPG| Hôtel de Ville File:Portail occidental et sud 9195.JPG|
Châlons Cathedral File:Châlons-en-Champagne_CollégialeND_R01.jpg|Notre-Dame-en-Vaux church File:ND-en-Vaux 02.jpg|Cloister Notre-Dame-en-Vaux File:St. Alpin, Chalons, France, 1907. (2788175494).jpg| Interior view of Saint-Alpin (1907). File:Châlons-en-Champagne, the Porte Sainte-Croix.JPG|Sainte-Croix Gate File:Châlons-en-Champagne_Monument_aux_Morts_R03.jpg|War memorial "The Last Relief" File:Vue de Châlons-en-Champagne 220407.jpg| Old Town of Châlons ==Transport==